<?php
/* -------------------------------------------------------------------------------------
* 	ID:						$Id: shipping.php 11 2013-09-21 11:43:11Z phone.mueller@googlemail.com $
* 	Letzter Stand:			$Revision: 11 $
* 	zuletzt geaendert von:	$Author: siekiera $
* 	Datum:					$Date: 2013-09-21 11:43:11 +0000 (Sat, 21 Sep 2013) $
*
* 	SEO:mercari by Siekiera Media
* 	http://www.seo-mercari.de
*
* 	Copyright (c) since 2011 SEO:mercari
* --------------------------------------------------------------------------------------
* 	based on:
* 	(c) 2000-2001 The Exchange Project  (earlier name of osCommerce)
* 	(c) 2002-2003 osCommerce - www.oscommerce.com
* 	(c) 2003     nextcommerce - www.nextcommerce.org
* 	(c) 2005     xt:Commerce - www.xt-commerce.com
*
* 	Released under the GNU General Public License
* ----------------------------------------------------------------------------------- */


defined( '_VALID_XTC' ) or die( 'Direct Access to this location is not allowed.' );
class shipping {
  var $modules, $db;

  // class constructor
  function shipping($module = '') {
    global $PHP_SELF,$order, $db;
	
	$this->db = $db;

    if (defined('MODULE_SHIPPING_INSTALLED') && not_null(MODULE_SHIPPING_INSTALLED)) {
      $this->modules = explode(';', MODULE_SHIPPING_INSTALLED);

      $include_modules = array();

      if ( (not_null($module)) && (in_array(substr($module['id'], 0, strpos($module['id'], '_')) . '.' . substr($PHP_SELF, (strrpos($PHP_SELF, '.')+1)), $this->modules)) ) {
        $include_modules[] = array('class' => substr($module['id'], 0, strpos($module['id'], '_')), 'file' => substr($module['id'], 0, strpos($module['id'], '_')) . '.' . substr($PHP_SELF, (strrpos($PHP_SELF, '.')+1)));
      } else {
        reset($this->modules);
        while (list(, $value) = each($this->modules)) {
          $class = substr($value, 0, strrpos($value, '.'));
          $include_modules[] = array('class' => $class, 'file' => $value);
        }
      }
      // load unallowed modules into array
      $unallowed_modules = explode(',',$_SESSION['customers_status']['customers_status_shipping_unallowed'].','.$order->customer['shipping_unallowed']);
      for ($i = 0, $n = sizeof($include_modules); $i < $n; $i++) {
        if (in_array(str_replace('.php', '', $include_modules[$i]['file']), $unallowed_modules) != 'false') {
          // check if zone is alowed to see module
          if (constant(MODULE_SHIPPING_ . strtoupper(str_replace('.php', '', $include_modules[$i]['file'])) . _ALLOWED) != '') {
            $unallowed_zones = explode(',', constant(MODULE_SHIPPING_ . strtoupper(str_replace('.php', '', $include_modules[$i]['file'])) . _ALLOWED));
          } else {
            $unallowed_zones = array();
          }
          $check_flag = false;
          if (defined(MODULE_SHIPPING_ . strtoupper(str_replace('.php', '', $include_modules[$i]['file'])) . _ZONE)) {
            $check = $this->db->db_query("SELECT zone_id from " . TABLE_ZONES_TO_GEO_ZONES . " WHERE geo_zone_id = '" . constant(MODULE_SHIPPING_ . strtoupper(str_replace('.php', '', $include_modules[$i]['file'])) . _ZONE) . "' and zone_country_id = '" . $order->delivery['country']['id'] . "' ORDER BY zone_id");
            while (!$check->EOF) {
              if ($check->fields['zone_id'] < 1) {
                $check_flag = true;
                break;
              } elseif ($check->fields['zone_id'] == $order->delivery['zone_id']) {
                $check_flag = true;
                break;
              }
			  $check->MoveNext();
            }
          }
          if (in_array($_SESSION['delivery_zone'], $unallowed_zones) == true || count($unallowed_zones) == 0) {
            include(DIR_FS_LANGUAGES . $_SESSION['language'] . '/modules/shipping/' . $include_modules[$i]['file']);
            include(DIR_FS_CATALOG_MODULES . 'shipping/' . $include_modules[$i]['file']);
            $GLOBALS[$include_modules[$i]['class']] = new $include_modules[$i]['class'];
          }
        }
      }
    }
  }

  function quote($method = '', $module = '') {
    global $total_weight, $shipping_weight, $shipping_quoted, $shipping_num_boxes;

    $quotes_array = array();

    if (is_array($this->modules)) {
      $shipping_quoted = '';
      $shipping_num_boxes = 1;
      $shipping_weight = $total_weight;

      if (SHIPPING_BOX_WEIGHT >= $shipping_weight*SHIPPING_BOX_PADDING/100) {
        $shipping_weight = $shipping_weight+SHIPPING_BOX_WEIGHT;
      } else {
        $shipping_weight = $shipping_weight + ($shipping_weight*SHIPPING_BOX_PADDING/100);
      }

      if ($shipping_weight > SHIPPING_MAX_WEIGHT) { // Split into many boxes
        $shipping_num_boxes = ceil($shipping_weight/SHIPPING_MAX_WEIGHT);
        $shipping_weight = $shipping_weight/$shipping_num_boxes;
      }

      $include_quotes = array();

      reset($this->modules);
      while (list(, $value) = each($this->modules)) {
        $class = substr($value, 0, strrpos($value, '.'));
        if (not_null($module)) {
          if ( ($module == $class) && ($GLOBALS[$class]->enabled) ) {
            $include_quotes[] = $class;
          }
        } elseif ($GLOBALS[$class]->enabled) {
          $include_quotes[] = $class;
        }
      }

      $size = sizeof($include_quotes);
      for ($i=0; $i<$size; $i++) {
        $quotes = $GLOBALS[$include_quotes[$i]]->quote($method);
        if (is_array($quotes)) $quotes_array[] = $quotes;
      }
    }

    return $quotes_array;
  }

  function cheapest() {

    if (is_array($this->modules)) {
      $rates = array();

      reset($this->modules);
      while (list(, $value) = each($this->modules)) {
        $class = substr($value, 0, strrpos($value, '.'));
        if ($GLOBALS[$class]->enabled) {
          $quotes = $GLOBALS[$class]->quotes;
          $size = sizeof($quotes['methods']);
          for ($i=0; $i<$size; $i++) {
            if(array_key_exists("cost",$quotes['methods'][$i])) {
              $rates[] = array('id' => $quotes['id'] . '_' . $quotes['methods'][$i]['id'],
              'title' => $quotes['module'] . ' (' . $quotes['methods'][$i]['title'] . ')',
              'cost' => $quotes['methods'][$i]['cost']);
              // echo $quotes['methods'][$i]['cost'];

            }
          }
        }
      }

      $cheapest = false;
      $size = sizeof($rates);
      for ($i=0; $i<$size; $i++) {
        if (is_array($cheapest)) {
          if ($rates[$i]['cost'] < $cheapest['cost']) {
            $cheapest = $rates[$i];
          }
        } else {
          $cheapest = $rates[$i];
        }
      }
      return $cheapest;

    }

  }
}
?>